[libc++] Re-export the sjlj ABI v2 for ARM architectures

We were previously not exporting the right ABI version of libc++abi.

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@356798 91177308-0d34-0410-b5e6-96231b3b80d8
2 files changed